Base | Representation |
---|---|
bin | 101001111111110… |
… | …1110111000111101 |
3 | 10122012200121000110 |
4 | 1103333232320331 |
5 | 10341224403221 |
6 | 351500220233 |
7 | 46631065431 |
oct | 12377567075 |
9 | 3565617013 |
10 | 1409216061 |
11 | 663513980 |
12 | 333b3a679 |
13 | 195c57576 |
14 | d52309c1 |
15 | 83ab5776 |
hex | 53feee3d |
1409216061 has 8 divisors (see below), whose sum is σ = 2049768864. Its totient is φ = 854070320.
The previous prime is 1409216059. The next prime is 1409216063. The reversal of 1409216061 is 1606129041.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (1409216059) and next prime (1409216063).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1409216061 - 21 = 1409216059 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1409216063) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21351726 + ... + 21351791.
It is an arithmetic number, because the mean of its divisors is an integer number (256221108).
Almost surely, 21409216061 is an apocalyptic number.
1409216061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
1409216061 is a deficient number, since it is larger than the sum of its proper divisors (640552803).
1409216061 is a wasteful number, since it uses less digits than its factorization.
1409216061 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42703531.
The product of its (nonzero) digits is 2592, while the sum is 30.
The square root of 1409216061 is about 37539.5266485874. The cubic root of 1409216061 is about 1121.1383146711.
It can be divided in two parts, 1409 and 216061, that added together give a triangular number (217470 = T659).
The spelling of 1409216061 in words is "one billion, four hundred nine million, two hundred sixteen thousand, sixty-one".
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